21373490

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{3049}}^1$

素因数の和:3757

約数の個数: 16

約数和(自身を含む): 38539800

約数和(自身を除く): 17166310

約数列:

[1, 2, 5, 10, 701, 1402, 3049, 3505, 6098, 7010, 15245, 30490, 2137349, 4274698, 10686745, 21373490]

約数ペア:

[(1, 21373490), (2, 10686745), (5, 4274698), (10, 2137349), (701, 30490), (1402, 15245), (3049, 7010), (3505, 6098)]